Home / 88,708.28-122,420.32-48,424.20

Finding the Fourth Proportional to 88,708.28, 122,420.32 and 48,424.20

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Solution

The fourth proportional to 88,708.28, 122,420.32 and 48,424.20 is: 66,826.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,708.28 : 122,420.32 = 48,424.20 : x
  2. Step 2: Convert to fraction form
    88,708.28/122,420.32 = 48,424.20/x
  3. Step 3: Cross multiply
    88,708.28x = 122,420.32 × 48,424.20
  4. Step 4: Simplify right side
    88,708.28x = 5,928,105,479.61
  5. Step 5: Solve for x
    x = 5,928,105,479.61/88,708.28
  6. Step 6: Final answer
    x = 66,826.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.